Explain about your project and its relation to the current job position you are applying to?
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Write query to fetch second maximum salary from employee table.
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What are nested tables?
how many types of index?
Explain oracle’s server parameter file.
What are the restrictions on external table columns?
There is a big table with "n" of rows and 40 + columns .It doesn't have primary key.How do you select the primary key. In other words how do you get the duplicate records.
Difference between hot backup vs. Cold backup?
What is BBED in Oracle?
How to define default values for formal parameters?
please explain.. DB architecture ...
diff between DELETE and TRUNCATE?.
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What are the components of Logical database structure of ORACLE database?